Steam System Consulting.

Steam Quality Testing



Hospitals depend on sterile instruments. Wet steam can cause wet packs. We can help you eliminate wet packs… by eliminating wet steam.

Regulators and valves last longer when handling clean, dry steam. Ask for our articles on steam quality, or about a training class at your facility.


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ST 79 – How often should I test steam quality?

Steam Quality Testing – Frequency AAMI/ANSI ST79 (2017) “Comprehensive guide to steam sterilization and sterility assurance in health care facilities” How often are facilities supposed to test steam quality? Here is what the Standard says: upon installation or relocation of the sterilizer after any change to the steam distribution lines or boiler supply water when […]

Steam Trap Testing

Testing steam traps using temperature involves measuring the temperature of the steam entering the trap. Here are the steps to do so: 1. Identify the steam trap you want to test. It could be a specific trap or a series of traps in a steam system. We recommend all the traps between the boiler and […]

Steam Quality Moore1

Simple Steam Quality Tests Want to do some simple tests to check your steam quality? Weigh a textile pack before the cycle, run your standard cycle but no dry Weigh it again. The % weight gain should be around 1%. (Put the dry time back to its original setting.) Tape a non-woven wrapper to the […]

Quantifying Steam Quality

One equation comprising two independent variables gives an accurate assessment of steam quality | Reprinted from Plant Services Steam quality is a measure of the amount of saturated steam that coexists with its condensate in a given system. Calculate it by dividing the mass of steam by the total mass of steam and condensate. Steam […]


Steam Distribution Piping: Low spots The steam distribution piping must be pitched properly to avoid low spots. The steam piping loses heat by radiation, causing condensate to form. This liquid water accumulates on the inside surface of the pipe wall. During periods of low flow this water runs by gravity and will accumulate in any […]